What are the two main types of plant reproduction?
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Mastering this deck will enhance your understanding of how plants reproduce, enabling better comprehension of plant biology, agriculture, and ecological interactions. You'll be able to identify reproductive structures and processes, which is essential for fields like horticulture, conservation, and plant breeding.
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| 1 | What are the two main types of plant reproduction? |
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Explore sexual and asexual reproduction in plants, including pollination, seed development, and vegetative propagation.
The two main types of plant reproduction are sexual reproduction and asexual (vegetative) reproduction. |
| Think about how plants can reproduce with or without fertilization. |
| 2 | What is pollination in plants? | Pollination is the transfer of pollen from the male anther to the female stigma, enabling fertilization in flowering plants. | Consider the role of pollinators like bees and wind. |
| 3 | Name three agents that can facilitate pollination. | Agents of pollination include insects (bees, butterflies), wind, and animals (birds, bats). | Think about different ways pollen reaches the ovule. |
| 4 | What structures develop from fertilized ovules in flowering plants? | Fertilized ovules develop into seeds, which contain the embryo of the new plant. | Remember what a seed is in plant development. |
| 5 | What is seed dispersal, and why is it important? | Seed dispersal is the movement of seeds away from the parent plant, which helps reduce competition and allows colonization of new areas. | Think about how seeds spread in nature. |
| 6 | Name three methods of seed dispersal in plants. | Methods include wind dispersal (e.g., dandelions), animal dispersal (e.g., berries eaten and excreted), and water dispersal (e.g., coconut). | Consider how different seeds travel long distances. |
| 7 | What is vegetative propagation in plants? | Vegetative propagation is a form of asexual reproduction where new plants grow from parts of the parent plant, such as stems, roots, or leaves. | Think about cloning plants without seeds. |
| 8 | Give an example of a plant that reproduces via vegetative propagation. | Strawberries reproduce via runners, and potatoes produce new plants from tubers. | Recall common garden plants or fruits. |
| 9 | How does grafting facilitate plant reproduction? | Grafting involves joining a stem (scion) of one plant to the root system (rootstock) of another, allowing reproduction of desirable plant varieties. | Think of fruit tree propagation. |
| 10 | What are the advantages of asexual reproduction in plants? | Advantages include rapid colonization, production of genetically identical offspring, and survival in stable environments. | Compare to sexual reproduction's genetic diversity. |
| 11 | What are the disadvantages of asexual reproduction in plants? | Disadvantages include lack of genetic diversity, making populations more susceptible to diseases and environmental changes. | Think about risks of uniformity. |
| 12 | Which part of a flower develops into a seed after fertilization? | The ovule develops into a seed after fertilization. | Remember the role of the ovule in reproduction. |
| 13 | What is the function of the pollen grain in plant reproduction? | The pollen grain contains the male gametes (sperm cells) necessary for fertilization of the ovule. | Think about what carries the male genetic material. |
| 14 | Describe double fertilization in flowering plants. | Double fertilization involves one sperm fertilizing the egg to form the zygote, and another sperm fusing with two polar nuclei to form the triploid endosperm, which nourishes the developing embryo. | Unique feature of angiosperms. |
| 15 | What is the role of the flower's stigma and style in reproduction? | The stigma receives pollen, and the style provides a passage for pollen tubes to grow toward the ovules for fertilization. | Focus on pollen reception and transport. |
| 16 | How do wind-pollinated plants differ from insect-pollinated plants? | Wind-pollinated plants produce large quantities of lightweight, smooth pollen and often lack bright petals, whereas insect-pollinated plants have colorful, scented flowers to attract pollinators. | Think about adaptations for different pollination agents. |
| 17 | What is apomixis in plants? | Apomixis is a form of asexual reproduction where seeds are produced without fertilization, resulting in offspring genetically identical to the parent. | Cloning via seed production. |
| 18 | What is vegetative propagation through tubers? Provide an example. | Vegetative propagation through tubers involves new plants growing from underground storage organs; potatoes are a common example. | Remember that tubers are modified stems or roots. |
| 19 | Why is seed dormancy important for some plants? | Seed dormancy prevents germination until environmental conditions are favorable, ensuring seed survival and successful growth. | Think about timing of germination. |
| 20 | What role do humans play in plant reproductive strategies? | Humans facilitate reproduction through techniques like grafting, seed selection, and cultivating plants for agriculture and horticulture. | Consider how humans influence plant propagation. |
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